a:8:{i:0;s:2:"id";i:1;s:4:"name";i:2;s:3:"num";i:3;s:3:"sex";i:4;s:3:"age";i:5;s:3:"cid";s:3:"_pk";s:2:"id";s:5:"_type";a:6:{s:2:"id";s:6:"int(6)";s:4:"name";s:11:"varchar(30)";s:3:"num";s:24:"int(5) unsigned zerofill";s:3:"sex";s:26:"enum('男','女','保密')";s:3:"age";s:15:"int(3) unsigned";s:3:"cid";s:6:"int(3)";}}